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Air-activated hand warmers consist of an iron powder contained in a porous pouch. When the pouch is removed from its air-tight packaging, oxygen from the air enters the pouch and reacts with the iron to produce iron(III) oxide. Construct an explanation for why the pouch gets hot based

on changes in total bond energy.
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Sagot :

pstnonsonjoku

More bonds are formed hence there is an increase in bond energy from left to right hence, heat is evolved and the pouch gets hot.

What is bond energy?

Bond energy is the energy evolved or absorbed when a bond is formed from its constituent atoms.

We can see that from left to right, more bonds are formed hence there is an increase in bond energy from left to right hence, heat is evolved and the pouch gets hot.

Learn more about bond energy: https://brainly.com/question/26141360

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